* configure.in: add "uk" to the list of languages.
* src/vte.h: remove the alternate attribute bit -- it's no longer meaningful.
* python/vte.override: remove the alternate attribute, add the strikethrough
	attribute.
* src/vte.c (vte_terminal_insert_char): perform drawing character set to
	Unicode mapping at insertion time if the alternate attribute is set,
	otherwise discarding the attribute.  If the character being inserted is
	a graphic character, force its width to 1 or 2 depending on the current
	codeset (#99603).
* src/vte.c (xlfd_from_pango_font_description): take advantage of XftXlfdParse
	if we were built with Xft, as it appears to handle family aliases.
* src/vte.c (vte_terminal_draw_graphic): decide what to draw using Unicode code
	points (instead of reverse mappings to drawing set), and implement the
	double-thick versions of many of the existing glyphs.  Return a boolean
	indicating whether or not we drew something.
* s...